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Kofoworola I.
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Kofoworola I.

Full Stack Developer | SaaS Developer | Backend Developer | Mobile App

Are you building a SaaS platform or custom web system and need it engineered properly from day one? I help founders and growing businesses design and build production-ready web systems with clean architecture, secure authentication, structured APIs, and subscription-ready billing models. This is not template development. I focus on long-term maintainability, performance, and systems built for real users and real revenue. Over the years, I’ve worked on backend-heavy web platforms, API-driven applications, and integrated systems designed to support growth not just launch. Core capabilities: • Multi-tenant SaaS architecture • Role-based access systems • REST & GraphQL API development • Subscription billing integrations (Stripe, etc.) • Admin dashboards & data-heavy interfaces • Performance optimization & backend structuring If you need a developer who thinks in systems, not pages, let’s talk.

🇺🇸Newark, United States$30/hr100% JSS3.90 (29)Since Dec 2018
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Earnings and projects

MRR
$393

Last 6 months ÷ 6

World#87,567 / 412k
🇺🇸Country#12,809 / 62.1k
Revenue, last 30 days
$600

Last 6 months: $2.4k

World#58,106 / 412k
🇺🇸Country#7,848 / 62.1k
Total earnings
$64k

Billed in all: $64k

World#61,793 / 412k
🇺🇸Country#11,639 / 62.1k
Per project
$1.4k

$393 in the last 6 months

World#100,397 / 412k
🇺🇸Country#17,072 / 62.1k
Projects, last 6 months
6
100% fixed0% hourly
World#34,407 / 412k
🇺🇸Country#4,906 / 62.1k
Projects in all
46

Across 53 contracts

89% fixed11% hourly
World#66,422 / 412k
🇺🇸Country#10,082 / 62.1k

Earnings, last 30 days

$64k+$600 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$63.0k$63.5k$64.0kOct 8Oct 23Nov 7

Skill rankings: Top 13% in Blockchain

Ranked by MRR among everyone on Upwork with the skill.

  1. #226Blockchain1,753 freelancers · 🇺🇸 #23Top 13%
  2. #636App Development2,592 freelancers · 🇺🇸 #92Top 25%
  3. #770iOS3,908 freelancers · 🇺🇸 #75Top 20%
  4. #1,304Ecommerce Website6,126 freelancers · 🇺🇸 #154Top 21%
  5. #1,309Android App Development6,395 freelancers · 🇺🇸 #106Top 20%
  6. #1,871Mobile App Development8,511 freelancers · 🇺🇸 #206Top 22%
  7. #2,102React Native10,486 freelancers · 🇺🇸 #193Top 20%
  8. #2,662WooCommerce12,214 freelancers · 🇺🇸 #301Top 22%